diff --git a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
index 6ba5c1db7069..fa3d98b576ae 100644
--- a/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Headers/BUILD.gn
@@ -173,6 +173,7 @@ copy("Headers") {
     "invpcidintrin.h",
     "iso646.h",
     "keylockerintrin.h",
+    "larchintrin.h",
     "limits.h",
     "lwpintrin.h",
     "lzcntintrin.h",